Seiko Cal. 4489 - 509

This Spring Drive model from 1971 features a 34mm PVD Black case. Powered by the 4489 caliber with 20j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-19509c4061f0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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